Main body of gas filling apparatus



FIG. 1 is a top perspective view of the main body of gas filling apparatus of the present invention showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front elevational view thereof identical to FIG. 2, but including cross-sectional reference lines 9-9, 10-10 and 11-11.

FIG. 9 is a cross-sectional view thereof taken along line A-A of FIG. 8;

FIG. 10 is a cross-sectional view thereof taken along line B-B of FIG. 8; and,

FIG. 11 is a cross-sectional view thereof taken along line C-C of FIG. 8. 

CLAIM The ornamental design for a main body of gas filling apparatus, as shown and described. 